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自然科学SAT - 物理学

在这里,你将学习一些与物理相关的英语单词,如“声纳”、“棱镜”、“扩散”等,这些单词是你通过SAT考试所需要的。

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SAT Vocabulary for Natural Sciences
amplitude
amplitude
[名词]

(physics) the maximum distance a vibrating material, sound wave, etc. such as a pendulum travels from its first position

振幅, 幅度

振幅, 幅度

Ex: In physics, amplitude refers to the maximum displacement of a wave from its equilibrium position. 
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acoustic
acoustic
[形容词]

relating to the science of studying sounds or the way people hear things

声学的, 与声学有关的

声学的, 与声学有关的

Ex: The researchers conducted acoustic experiments to understand how sound waves travel through different materials. 
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sonar
sonar
[名词]

a technology that uses sound waves to detect objects underwater or measure distances underwater

声纳, 声学探测

声纳, 声学探测

Ex: The submarine navigates using sonar to map the ocean floor and detect potential obstacles. 
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prism
prism
[名词]

a solid geometric shape, typically with a triangular base and rectangular sides, that refracts light into its component colors or alters the path of light

棱镜, 多面晶体

棱镜, 多面晶体

Ex: The light passing through the prism refracted into a spectrum of colors: red, orange, yellow, green, blue, indigo, and violet. 
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infrared
infrared
[名词]

electromagnetic radiation with longer wavelengths than visible light, used for applications such as thermal imaging and remote sensing

红外线, 红外辐射

红外线, 红外辐射

Ex: The infrared emitted by warm objects can be detected by specialized cameras to create thermal images. 
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ultraviolet
ultraviolet
[名词]

a type of electromagnetic radiation with shorter wavelengths than visible light, often associated with sunlight and used in various applications

紫外线, 紫外线辐射

紫外线, 紫外线辐射

Ex: Protect your skin from ultraviolet rays by wearing sunscreen. 
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fluorescence
fluorescence
[名词]

the emission of light by a substance that has absorbed light or other electromagnetic radiation

荧光, 发光

荧光, 发光

Ex: Fluorescence is commonly seen in certain minerals that emit a glowing light under ultraviolet (UV) light. 
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spectrometer
spectrometer
[名词]

a scientific instrument used to measure and analyze the properties of light over a specific range of wavelengths

光谱仪

光谱仪

Ex: The scientist used a spectrometer to analyze the composition of the unknown substance based on its light absorption. 
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photon
photon
[名词]

a fundamental particle of light that carries electromagnetic energy and exhibits both particle-like and wave-like properties

光子, 光量子

光子, 光量子

Ex: Photons are the quanta of electromagnetic radiation, including visible light, radio waves, and X-rays. 
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to refract
to refract
[动词]

(of physics) to change the direction of light, sound, or energy when it passes through something

折射, 使偏转

折射, 使偏转

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diffraction
diffraction
[名词]

the bending, spreading, and interference of waves as they encounter obstacles or pass through narrow openings, often observed in the behavior of light, sound, or other waves

衍射, 波的衍射

衍射, 波的衍射

Ex: Diffraction of light produces patterns of alternating dark and bright regions when it encounters a narrow slit or passes through an obstacle. 
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transmittance

the fraction or percentage of light or electromagnetic radiation that passes through a substance or medium

透射率, 传输

透射率, 传输

Ex: The transmittance of the glass allowed most of the sunlight to pass through into the room. 
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molar absorptivity

a measure of how strongly a substance absorbs light at a particular wavelength

摩尔吸光系数, 摩尔吸收率

摩尔吸光系数, 摩尔吸收率

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absorption spectrum

a range of wavelengths of electromagnetic radiation absorbed by a substance, typically represented as a graph showing absorption intensity versus wavelength

吸收光谱, 吸收谱

吸收光谱, 吸收谱

Ex: Scientists use an absorption spectrum to identify chemical elements and compounds by analyzing the specific wavelengths of light they absorb. 
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thermodynamics

the branch of physical science that deals with the relationships between heat, work, and energy, particularly the principles governing the conversion of various forms of energy

热力学

热力学

Ex: The first law of thermodynamics, also known as the law of conservation of energy, states that energy cannot be created or destroyed, only transferred or converted from one form to another. 
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thermostat
thermostat
[名词]

an instrument that automatically controls the temperature of a room, machine, etc.

恒温器

恒温器

Ex: The thermostat regulates the temperature in the house, ensuring comfort and energy efficiency. 
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calorimeter
calorimeter
[名词]

a device used to measure the heat released or absorbed during a chemical reaction or physical change, typically by measuring temperature changes in a surrounding medium

热量计, 热量测量装置

热量计, 热量测量装置

Ex: Chemists use a calorimeter to determine the heat of combustion of a substance by measuring the temperature change in water surrounding a reaction vessel. 
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thermometer
thermometer
[名词]

a tool designed to measure the temperature of the surrounding air or environment

温度计, 环境温度计

温度计, 环境温度计

Ex: The meteorologist placed the thermometer in the shaded shelter to get an accurate air temperature reading. 
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microchip
microchip
[名词]

a small piece of material that is a semiconductor, used to make an integrated circuit

微芯片, 芯片

微芯片, 芯片

Ex: The computer’s performance improved after upgrading its microchip. 
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wavelength
wavelength
[名词]

the distance between a point on a wave of energy and a similar point on the next wave

波长, 一个波的长度

波长, 一个波的长度

Ex: In physics, wavelength is the distance between two consecutive peaks (or troughs) of a wave. 
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relativity
relativity
[名词]

a theory that explains the relationship between motion, space, and time

相对论

相对论

Ex: Relativity explains why GPS satellites must adjust their clocks for Earth's gravity. 
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antimatter
antimatter
[名词]

(physics) matter consisting of elementary particles that are the antiparticles of those of regular matter

反物质, 反粒子物质

反物质, 反粒子物质

Ex: Antimatter is composed of antiparticles, which have the same mass as their corresponding particles but opposite electric charge. 
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congelation
congelation
[名词]

the process of solidification or freezing, typically of a liquid or a substance turning into a solid state due to a decrease in temperature

冻结, 凝固

冻结, 凝固

Ex: The congelation of water into ice occurs when temperatures drop below freezing point. 
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to solidify
to solidify
[动词]

to transform from a liquid or flexible state into a stable, firm, or compact form

固化, 变硬

固化, 变硬

Ex: As the temperature dropped, the melted wax began to solidify, forming candles with a smooth surface. 
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to liquefy
to liquefy
[动词]

to change from a solid state and become fluid or liquid

液化, 融化

液化, 融化

Ex: As the temperature rose, the snow on the ground started to liquefy. 
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subatomic
subatomic
[形容词]

relating to particles or forces that exist within atoms, including particles smaller than atoms themselves or the interactions between these particles

亚原子的, 次原子的

亚原子的, 次原子的

Ex: Subatomic particles interact through fundamental forces, such as electromagnetism and the strong and weak nuclear forces. 
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neutrino
neutrino
[名词]

a very small, electrically neutral particle that rarely interacts with matter

中微子, 中微子粒子

中微子, 中微子粒子

Ex: Neutrinos are subatomic particles with very little mass. 
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nanoscale
nanoscale
[形容词]

extremely small, typically between 1 and 100 billionths of a meter, where materials show unique properties

纳米级的, 在纳米尺度上

纳米级的, 在纳米尺度上

Ex: The nanoscale structure of materials can change how they conduct electricity. 
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metrology
metrology
[名词]

the scientific study of measurement, including the development of measurement standards and techniques

计量学, 测量科学

计量学, 测量科学

Ex: Metrology laboratories test and certify measuring instruments. 
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biophysicist
biophysicist
[名词]

a scientist who applies principles and methods of physics to study biological systems and phenomena, aiming to understand life processes at the molecular and cellular levels

生物物理学家, 生物物理学领域的科学家

生物物理学家, 生物物理学领域的科学家

Ex: The biophysicist used computational modeling to simulate protein folding dynamics in cells. 
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diffuse
diffuse
[形容词]

describing light that spreads evenly from a broad source or surface, creating soft illumination without harsh shadows

漫射的, 扩散的

漫射的, 扩散的

Ex: The room was softly lit with diffuse light from the ceiling fixture. 
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spent fuel
spent fuel
[名词]

used nuclear fuel that is no longer efficient for producing energy in a reactor

乏燃料, 使用过的核燃料

乏燃料, 使用过的核燃料

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pressure gradient

the rate at which pressure changes over a certain distance in a particular direction

压力梯度, 压力变化

压力梯度, 压力变化

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wave number
wave number
[名词]

the spatial frequency of a wave, representing the number of wavelengths per unit distance

波数, 空间频率

波数, 空间频率

Ex: The wave number of a light wave in vacuum is calculated as the inverse of its wavelength. 
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boson
boson
[名词]

a tiny particle with whole-number spin, such as photons or the Higgs boson, often associated with carrying fundamental forces or giving mass to other particles

玻色子, 整数自旋粒子

玻色子, 整数自旋粒子

Ex: Photons, particles of light, are examples of bosons that carry the electromagnetic force. 
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collider
collider
[名词]

a type of particle accelerator where two opposing beams of particles are directed to collide with each other at high speeds, allowing scientists to study fundamental particles and forces

对撞机, 粒子对撞机

对撞机, 粒子对撞机

Ex: The Large Hadron Collider (LHC) is the world's largest and most powerful collider, used to explore particle physics. 
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dipole
dipole
[名词]

a simple type of antenna made of two metal rods, connected in the middle, that is half the wavelength of the signal it transmits or receives

偶极子, 偶极天线

偶极子, 偶极天线

Ex: The radio station uses a dipole antenna to broadcast signals over a wide area. 
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lepton
lepton
[名词]

a fundamental particle with half-integer spin, including electrons and their heavier counterparts, as well as neutrinos

轻子, 具有半整数自旋的基本粒子

轻子, 具有半整数自旋的基本粒子

Ex: Leptons are elementary particles that include electrons, muons, tau particles, and their associated neutrinos. 
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